 /*******************************************************************************
  * Copyright (c) 2006 IBM Corporation and others.
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License v1.0
  * which accompanies this distribution, and is available at
  * http://www.eclipse.org/legal/epl-v10.html
  *
  * Contributors:
  * IBM Corporation - initial API and implementation
  *******************************************************************************/
 package org.eclipse.osgi.internal.provisional.verifier;

 import java.security.cert.Certificate ;
 import java.util.Date ;

 /**
  * This class represents a chain of certificates.
  * <p>
  * <strong>EXPERIMENTAL</strong>. This class or interface has been added as
  * part of a work in progress. There is no guarantee that this API will
  * work or that it will remain the same. Please do not use this API without
  * consulting with the equinox team.
  * </p>
  */
 public interface CertificateChain {
     /**
      * Returns the list of X500 distinguished names that make up the certificate chain. Each
      * distinguished name is separated by a ';'. The first distinguished name is the signer
      * and the last is the root Certificate Authority.
      * @return the list of X500 distinguished names that make up the certificate chain
      */
     public String getChain();

     /**
      * Retruns all certificates in this certificate chain
      * @return all certificates in this certificate chain
      */
     public Certificate [] getCertificates();

     /**
      * Returns the first certificate of the certificate chain
      * @return the first certificate of the certificate chain
      */
     public Certificate getSigner();

     /**
      * Returns the root certificate of the certificate chain
      * @return the foot certificate of the certificate chain
      */
     public Certificate getRoot();

     /**
      * Returns true if this certificate chain is trusted
      * @return true if this certificate chain is trusted
      */
     boolean isTrusted();

     /**
      * Return the signing time for this signer.
      *
      * @return null if there is a signing time for this signer null otherwise
      */
     public Date getSigningTime();
 }

